11655061 has 8 divisors (see below), whose sum is σ = 12749184. Its totient is φ = 10566720.

The previous prime is 11655053. The next prime is 11655067. The reversal of 11655061 is 16055611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11655061 - 2³ = 11655053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540 + ... + 5986.

It is an arithmetic number, because the mean of its divisors is an integer number (1593648).

Almost surely, 2^11655061 is an apocalyptic number.

11655061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11655061 is a deficient number, since it is larger than the sum of its proper divisors (1094123).

11655061 is a wasteful number, since it uses less digits than its factorization.

11655061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 11655061 is about 3413.9509369644. The cubic root of 11655061 is about 226.7278398423.

It can be divided in two parts, 116550 and 61, that added together give a palindrome (116611).

The spelling of 11655061 in words is "eleven million, six hundred fifty-five thousand, sixty-one".